Source google image: https://www.systemed.fr/forum-bricolage/old_images/freddyelec/2005-10-02_103904_volets_roulant.jpg
Schema de montage volet roulant electrique
Source google image: https://www.systemed.fr/forum-bricolage/old_images/freddyelec/2005-10-02_103904_volets_roulant.jpg